According to Intuit, Error Code 3371: “Could not initialize license properties” is an error that indicates your QuickBooks installation is damaged. Intuit offers a troubleshooting guide, including a downloadable wizard to help solve this error. It estimates that following the steps to resolve the issue could take up to 45 minutes.
To follow the troubleshooting steps to resolve Error Code 3371, consult this Intuit knowledge base article.